Leading/trailing axle wheel hubs - regreasing, checking tapered roller bearing · ap3550w3553a · Mercedes-Benz WIS

AP35.50-W-3553A

Leading/trailing axle wheel hubs - regreasing, checking tapered roller bearing

28.11.2016

Model	374.523, 375.351, 930.20/21, 940.20, 950.20/21/60/61 with rear axle 749.108
Model	375.321 with rear axle 749.732
Model	375.322/381, 940.365 with rear axle 749.733
Model	375.323 with rear axle 749.731
Model	375.381, 940.365 with rear axle 733.731
Model	930.11, 950.11 with rear axle 749.011
Model	930.20, 940.20, 950.20 with rear axle 749.109
Model	930.20/21, 940.20, 950.60/61 with rear axle 749.110
Model	934.251 with rear axle 749.111/164

Leading/trailing axle wheel hubs - regreasing, checking tapered roller bearing

Wheel hub with disk brake (example)

1	Radial shaft sealing ring
2	Radial shaft sealing ring
3	Inner tapered roller bearing
4	Wheel hub
5	Outer tapered roller bearing
6	Cover panel
7	Thrust plate
8	Cylinder head bolt
9	Clamp nut
10	Seal
11	Cover
12	Screw

N35.50-0202-06

	Remove
1	Remove wheels on trailing axle/leading axle
	Remove/install wheels		AR40.10-W-1100A
		 Version with Trilex wheels: loosen clamping plate by applying light blows before removing the wheel nuts.
2	Remove left and right wheel hub (4)
		Leading axle 733.731	AR35.50-T-0005A
		Trailing axle 749.011/111/164	AR35.50-W-0003B
		Trailing axle 749.108/109/110	AR35.50-W-0003A
		Trailing axle 749.731	AR35.50-W-0003E
		Trailing axle 749.732	AR35.50-W-0003C
		Trailing axle 749.733	AR35.50-W-0003D
	Clean
3	Remove grease from wheel hub (4); clean wheel hub (4), inner tapered roller bearing (3) and outer tapered roller bearing (5)
	Check
4	Check condition and wear of inner tapered roller bearing (3), outer tapered roller bearing (5) and bearing races	 If the inner tapered roller bearing (3) or outer tapered roller bearing (5) is worn or damaged, they must always be replaced in pairs, subject to a separate repair order.
	Install
5	Grease inner tapered roller bearing (3) and outer tapered roller bearing (5) well and fill wheel hub (4) and cap (11) with specified quantity of grease	 Leading axle 733.7, trailing axle 749.0/1/73Multipurpose grease	*BF35.50-N-1001-01A
6	Install left and right wheel hub (4)
		Leading axle 733.731	AR35.50-T-0005A
		Trailing axle 749.011/111/164	AR35.50-W-0003B
		Trailing axle 749.108/109/110	AR35.50-W-0003A
		Trailing axle 749.731	AR35.50-W-0003E
		Trailing axle 749.732	AR35.50-W-0003C
		Trailing axle 749.733	AR35.50-W-0003D
		 Install a new radial sealing ring (1, 2) and coat the running surfaces with hypoid oil SAE 90.
7	Mount wheels on trailing axle/leading axle
			AR40.10-W-1100A
8	Push down brake pedal several times

 Leading/trailing axle

Number	Designation			Rear axle 733.731	Rear axle 749.011
BF35.50-N-1001-01A	Multipurpose grease	Filling capacity per wheel hub	g	180	200
		Sheet		BB00.40-P-0267-01A	BB00.40-P-0267-01A

 Leading/trailing axle

Number	Designation			Rear axle 749.1	Rear axle 749.731
BF35.50-N-1001-01A	Multipurpose grease	Filling capacity per wheel hub	g	180	210
		Sheet		BB00.40-P-0267-01A	BB00.40-P-0267-01A

 Leading/trailing axle

Number	Designation			Rear axle 749.732	Rear axle 749.733
BF35.50-N-1001-01A	Multipurpose grease	Filling capacity per wheel hub	g	180	200
		Sheet		BB00.40-P-0267-01A	BB00.40-P-0267-01A

Leading/trailing axle wheel hubs - regreasing, checking tapered roller bearing

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